.. and whenever possible the FindXXX.cmake should defined imported targets.
Jc On Thu, Mar 6, 2014 at 9:38 AM, Philipp Möller <[email protected]>wrote: > Stephen Kelly <[email protected]> writes: > > > Philipp Möller wrote: > >> It would be great, if I could export imported targets and if CMake could > >> walk the dependency tree automatically and import those targets on an > >> as-needed basis. > > > > Part of the problem is that the place where you import your dependent > > targets from (and the locations calculated) are not necessarily the same > for > > your downstreams. > > I understand the issue and have been fighting it in versions prior 3.0 > as well. It also arises if you simply export targets that have been > target_link_librarie'd against full library paths returned by a > find_package. > > That's why I thought some build-in functionality could be helpful for > this, e.g. exporting and imported target would lead to a definition in > the exports file that automatically triggers a corresponding > find_package call. > > > You export your targets to and -exports file, and presumably you import > that > > in a -config file. In the same config file, you should add code to find > your > > dependencies too. > > > > > http://www.cmake.org/cmake/help/v3.0/manual/cmake-packages.7.html#creating-packages > > > > The find_dependency macro can help with forwarding some find_package > > arguments. > > > > > http://www.cmake.org/cmake/help/v3.0/module/CMakeFindDependencyMacro.html > > The documentation is a little sparse, but I think I understand the > purpose. I still need to traverse IMPORTED_LINK_INTERFACE_LIBRARIES and > figure out which of the list members constitutes a target that needs to > trigger a find_dependency and what a full library path is, correct? > > I can also not rely on a find_package call to actually produce imported > targets and need to ship the code that turns the results of find_package > in targets. > > Thanks for your help, > Philipp > > -- > > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/cgi-bin/mailman/listinfo/cmake-developers > -- +1 919 869 8849
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